1.

A line makes equal angles with coordinate axes. Direction cosines of this line are :

Answer»

`PM LT 1, 1,1 gt`
`pm lt 1/SQRT3, 1/sqrt3 , 1/sqrt3 gt`
`pm lt 1/3, 1/3, 1/3, gt`
`pm lt 1/sqrt3 , -1/sqrt3, (-1)/sqrt3 gt `

Answer :B


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